Disinfection byproducts · 2022
TTHM in City of West Sacramento — West Sacramento, Ca, CA tap water
City of West Sacramento — West Sacramento, Ca, CA's 2022 Consumer Confidence Report shows TTHM at or above the federal limit (80 ug/L MCL). Measured value is 1.0× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level MCL | 80 ug/L | 80 ug/L MCL |
Reported level Average | 49.3 ug/L | 80 ug/L MCL |
Reported level Range | 26–79 ug/L | 80 ug/L MCL |
Reported level None | 80 ug/L | 80 ug/L MCL |
Reported level None | 49.3 ug/L | 80 ug/L MCL |
Reported level None | 26–79 ug/L | 80 ug/L MCL |
Reported level None | 6–79 ug/L | 80 ug/L MCL |
Verbatim from City of West Sacramento — West Sacramento, Ca, CA's 2022 Consumer Confidence Report — source document ↗
About TTHM
Total trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter.
Long-term exposure above the federal limit is linked to liver, kidney, and central-nervous-system effects and increased cancer risk.
How City of West Sacramento — West Sacramento, Ca, CA compares
4 of the 251 CA systems measuring TTHM on The Water Map have it at or above the federal limit:
Nearby systems also reporting TTHM:
People also ask
+Is there TTHM in City of West Sacramento — West Sacramento, Ca, CA tap water?
Yes — City of West Sacramento — West Sacramento, Ca, CA's 2022 Consumer Confidence Report lists TTHM at 80 ug/L. City of West Sacramento — West Sacramento, Ca, CA's 2022 Consumer Confidence Report shows TTHM at or above the federal limit (80 ug/L MCL). Measured value is 1.0× the threshold.
+What's the federal limit for TTHM in drinking water?
The federal MCL for TTHM is 80 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is TTHM?
Total trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. Long-term exposure above the federal limit is linked to liver, kidney, and central-nervous-system effects and increased cancer risk.
+Which other U.S. cities have TTHM over the federal limit?
4 of the 251 CA systems on The Water Map measuring TTHM report it at or above the federal limit. Examples include Suisun-solano Water Authority — Vacaville, Ca, CA, Sweetwater Authority — Chula Vista, Ca, CA, Crestline Village Cwd - Division 10 — Crestline, Ca, CA.
+Where does this TTHM measurement come from?
This page reproduces the TTHM entry from the 2022 Consumer Confidence Report published by the City of West Sacramento — West Sacramento, Ca, CA water utility — the annual drinking-water report every U.S. utility is required by federal law to publish. The original source document is archived at /water/ca/west-sacramento-west-sacramento-ca/2022/source.